import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/* Router Modules */
// import componentsRouter from './modules/components'
// import nestedRouter from './modules/nested'

import aboutRouter from './modules/about'
import userRouter from './modules/user'
import productRouter from './modules/product'
import homeRouter from './modules/home'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
		roles: ['admin','editor']    control the page roles (you can set multiple roles)
		title: 'title'               the name show in sidebar and breadcrumb (recommend set)
		icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
		noCache: true                if set true, the page will no be cached(default is false)
		affix: true                  if set true, the tag will affix in the tags-view
		breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
		activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
	}
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
	{
		path: '/redirect',
		component: Layout,
		hidden: true,
		children: [
			{
				path: '/redirect/:path(.*)',
				component: () => import('@/views/redirect/index'),
			},
		],
	},
	{
		path: '/login',
		component: () => import('@/views/login/index'),
		hidden: true,
	},
	{
		path: '/auth-redirect',
		component: () => import('@/views/login/auth-redirect'),
		hidden: true,
	},
	{
		path: '/404',
		component: () => import('@/views/error-page/404'),
		hidden: true,
	},
	{
		path: '/401',
		component: () => import('@/views/error-page/401'),
		hidden: true,
	},
	{
		path: '/',
		component: Layout,
		redirect: '/home/dashboard',
		children: [],
	},
	homeRouter,
	aboutRouter,

	productRouter,
	userRouter,
]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
	/** when your routing map is too long, you can split it into small modules **/
	// componentsRouter,
	// nestedRouter,

	{
		path: '/error',
		component: Layout,
		redirect: 'noRedirect',
		name: 'ErrorPages',
		hidden: true,
		meta: {
			title: 'errorPages',
			icon: '404',
		},
		children: [
			{
				path: '401',
				component: () => import('@/views/error-page/401'),
				name: 'Page401',
				meta: { title: 'page401', noCache: true },
			},
			{
				path: '404',
				component: () => import('@/views/error-page/404'),
				name: 'Page404',
				meta: { title: 'page404', noCache: true },
			},
		],
	},
]

const createRouter = () =>
	new Router({
		// mode: 'history', // require service support
		scrollBehavior: () => ({ y: 0 }),
		routes: constantRoutes,
	})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
	const newRouter = createRouter()
	router.matcher = newRouter.matcher // reset router
}

export default router
